During this phase the batter will drop the bat after making contact with the ball and start her run towards first base.
Scapulothoracic elevation by the rhomboids, levator scapulae and the upper/middle fibers of the trapezius.
Scapulothoracic depression by the pectoralis minor, subclavius and the lower fiber of the trapezius.
Flexion by the rhomboids, levator scapulae and the upper/middle fibers of the trapezius working concentrically with the anterior deltoid, and the upper pectoralis major.
Extension by the pectoralis minor, subclavius and the lower fiber of the trapezius working eccentrically with the latissimus dorsi, teres major, lower pectoralis major and the posterior deltiod.
Extension of the sinister and dexter humeroulna joint by the triceps brachii long, lateral and medial heads and the anconeus working eccentrically in the sagittal plane around the mediolateral axis of rotation.
Flexion of the sinister and dexter humeroulna joint by the biceps brachii long and short heads, brachialis, brachioradialis, pronator teres and pronator quadratus working concentrically in the sagittal plane around the mediolateral axis of rotation.
Extension of the acetabularfemural joint by the rectus femoris, semitendinosus, semimembranosus, biceps femoris, gluteus maximus working concentrically in the sagittal plane along the mediolateral axis of rotation.
Flexion of the acetabularfemoral joint by the illacus, psoas major and minor, rectus femoris, satorius, pectineus, semitendinosus, semimembranosus, and the biceps femoris working concentrically in the sagittal plane around the mediolateral axis of rotation.
Extension of the sinister and dexter tibiofemural joint by the rectus femoris, vastus intermedius, vastus lateralis, and vastus medials in the sagittal plane around the mediolateral axis of rotation working eccentrically.
Flexion of the sinister and dexter tibiofemural joint by the biceps femoris, popliteus, semi-membranosus and semi-tendinosus in the sagittal plane around the mediolateral axis of rotation working concentrically.
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